GIU4 过去完成时和过去完成进行时.ppt

Past Perfect Tense Past Perfect Continuous Tense 表示过去某时之前已经发生的动作。 (1) 构成：had done (2) 常用时间状语： 1) by + 过去时间点或句子； 2) before + 过去时间点或句子； 3) when + 句子。 (3) 用法： 1) 延续：开始于过去之前的动作或状态持续到过去： Kevin had been a newspaper reporter for two years before he became a businessman. 凯文在成为商人之前，曾经当过两年报社记者。 I had waited for her for two hours in such a severe winter when she eventually turned up, which of course drove me mad. 我在这样严寒的冬天里等了她两个小时，所以当她终于出现的时候，我当然气的要命。 2) 重复：在过去的一段时间内重复发生： By the end of last month, she had written three papers. 到上个月底之前，她已写了三篇论文。 By the end of June they had treated over 8.000 patients. 到六月底他们已经治疗了8000患者。 (1) 过去完成时可表示“非真实”的过去。 We had intended to have a barbecue in the open air, but the weather was bad. 我们本打算在户外烧烤，但是天气太糟糕。(没有烧烤成) The terrorists had planned to hijack the airplane, but they were arrested by the agents. 恐怖分子本打算要劫机，但是他们被情报人员逮捕了。(企图失败) (2) 现在完成时和过去完成时都可与最高级和序数词连用。 This is the biggest crocodile that we have ever caught. 这是迄今为止我们抓住的最大的鳄鱼。 We caught a massive crocodile in the Philippines. This was the biggest crocodile that we had ever caught. 我们在菲律宾抓到一只鳄鱼，这是我们抓到的最大的鳄鱼。 It is the first time that we have tried bungee jumping. 这是我们第一次蹦极。 We went to the carnival yesterday. It was the first time that we had tried bungee jumping. 我们昨天去了嘉年华，这是我们第一次尝试蹦极。 3) 单一：过去之前已发生的短暂动作： Millions of years ago, dinosaurs roamed the earth, but they had become extinct by the time humankind first appeared. 几百万年前，地球上遍地是恐龙，但是在人类出现之前，他们就已灭绝了。 I had just poured myself a cup of tea when the phone rang. When I came back from answering it，the cup was empty. Somebody had drunk the tea or thrown it away. 我刚刚给自己倒了杯茶，这时候电话铃响了。而等我接完了电话回来，发现杯子已经是空的了，一定是有人把茶喝了或是倒掉了。 1．He asked me __A___ during the summer holidays.A. where I had been B. where I had gone C. where had I been D. where had I gone 2. What _D___ Jane ____ by the time he was sever?A. did, do B. has, done C did, did. D. had, done 3. I ___C___ 900 English words by the time I was tenA. learned B. was learnin